Plug adapter



FIG. 1 is a perspective view of a plug adapter in accordance with a preferred embodiment of the claimed design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a first side elevational view thereof and a mirror image of the opposite side thereof.

The broken lines showing the outlet connectors of the plug adapter in FIGS. 1 and 3–6 are for the purpose of illustrating environmental structure and form no part of the claimed design. 

The ornamental design for a plug adapter, as shown and described. 